paramecium

简明释义

英[ˌpærəˈmiːsɪəm]美[ˌpærəˈmisɪəm]

n. [无脊椎] 草履虫，草履虫属

复 数 p a r a m e c i a 或 p a r a m e c i u m s

英英释义

单词用法

同义词

反义词

例句

1.When I watched a tiny zebra fish for over three hours through a confocal microscope, waiting for it to feed on paramecium, the patience needed for research became apparent.

当我通过共焦显微镜观察一条斑马鱼幼体，等待着它捕食草履虫的时候，我发现了耐心对于学科研究来说尤为重要。

2.When I watched a tiny zebra fish for over three hours through a confocal microscope, waiting for it to feed on paramecium, the patience needed for research became apparent.

当我通过共焦显微镜观察一条斑马鱼幼体，等待着它捕食草履虫的时候，我发现了耐心对于学科研究来说尤为重要。

3.The structure of the cortical surface of Paramecium bursaria is studied. On the whole surface of Paramecium, there is a network formed by the convex of the pellicle.

本文研究了绿草履虫皮层表面的结构，草履虫体表布满由表膜突起形成的网格，于每一网格中央的表膜凹陷内伸出一根纤毛。

4.And unlike all of those other so-called heroes, who battle the bad guys come hell or high water, Paramecium is a fleer not a fighter.

而且它和那些与来自地狱或高水位的坏蛋战斗的其他的所谓英雄们不同，草履虫是个逃跑者而非战士。

5.Unlike all of those other so-called heroes who battle the bad guys come hell or high water, Paramecium is a deserter not a fighter.

和其他那些与来自地狱或高水位的坏蛋战斗的所谓的英雄们不同，草履虫是个逃兵而非战士。

6.In biology class, we observed a live paramecium 纤毛虫 under the microscope.

在生物课上，我们在显微镜下观察了一个活的paramecium 纤毛虫。

7.The paramecium 纤毛虫 moves by using tiny hair-like structures called cilia.

这个paramecium 纤毛虫通过使用称为纤毛的小毛发状结构来移动。

8.Researchers study paramecium 纤毛虫 to understand cell behavior.

研究人员研究paramecium 纤毛虫以了解细胞行为。

9.A paramecium 纤毛虫 can reproduce asexually through binary fission.

一个paramecium 纤毛虫可以通过二分裂无性繁殖。

10.In the pond water sample, we found several paramecium 纤毛虫 swimming around.

在池塘水样中，我们发现了几只正在游动的paramecium 纤毛虫。

作文

In the microscopic world, one of the most fascinating organisms is the paramecium. The paramecium is a single-celled organism that belongs to the group of protozoa. It is often found in freshwater environments, such as ponds and lakes, where it plays a crucial role in the ecosystem. Understanding the paramecium not only helps us appreciate the complexity of life at a microscopic level but also highlights the importance of these tiny creatures in the food web. The structure of a paramecium is quite remarkable. It is covered in tiny hair-like structures called cilia, which help it move through water. These cilia beat in a coordinated manner, allowing the paramecium to swim efficiently. Additionally, the body of the paramecium is shaped like a slipper, which aids in its movement and feeding. When the paramecium encounters food particles, it uses its cilia to sweep them into an oral groove, where they are then ingested. One of the most interesting aspects of the paramecium is its ability to reproduce. Typically, paramecia reproduce asexually through a process called binary fission, where one cell divides into two identical cells. However, they can also engage in a form of sexual reproduction known as conjugation, where two paramecia exchange genetic material. This unique reproductive strategy allows for greater genetic diversity within the population, which is essential for adaptation and survival in changing environments. The study of paramecium has significant implications for science and education. In biology classes, students often use paramecium as a model organism to learn about cellular processes and the characteristics of living things. Observing a paramecium under a microscope can provide insights into the complexities of cellular life, such as movement, feeding, and reproduction. Moreover, research on paramecium has contributed to our understanding of various biological concepts, including genetics, evolution, and ecology. Furthermore, paramecium serves as an excellent example of how even the smallest organisms can have a significant impact on their environment. As they feed on bacteria and other microorganisms, they help maintain the balance of ecosystems. They are also a food source for larger organisms, such as fish and other aquatic animals. Thus, the presence of paramecium in a habitat is indicative of a healthy ecosystem. In conclusion, the paramecium is much more than just a simple single-celled organism. Its unique characteristics, reproductive strategies, and ecological roles make it a vital component of freshwater ecosystems. By studying the paramecium, we gain valuable insights into the complexities of life and the interconnectedness of all living organisms. As we continue to explore the microscopic world, the paramecium remains a symbol of the wonders of biology and the importance of even the tiniest creatures in our planet's ecosystem.

在显微镜下的世界中，最迷人的生物之一就是草履虫。草履虫是一种单细胞生物，属于原生动物群体。它通常生活在淡水环境中，如池塘和湖泊，在生态系统中扮演着至关重要的角色。理解草履虫不仅有助于我们欣赏微观生命的复杂性，还突显了这些微小生物在食物网中的重要性。 草履虫的结构非常引人注目。它的表面覆盖着微小的毛状结构，称为纤毛，这些纤毛帮助它在水中移动。这些纤毛以协调的方式拍打，使得草履虫能够高效游动。此外，草履虫的身体呈拖鞋状，这有助于它的运动和进食。当草履虫遇到食物颗粒时，它会利用纤毛将食物扫入口沟，然后被吞食。 草履虫最有趣的方面之一是它的繁殖能力。通常，草履虫通过一种称为二分裂的无性繁殖方式繁殖，即一个细胞分裂成两个相同的细胞。然而，它们也可以进行一种称为接合的有性繁殖，两只草履虫交换遗传物质。这种独特的繁殖策略允许种群内更大的遗传多样性，这对于适应和在变化环境中的生存至关重要。 对草履虫的研究对科学和教育具有重要意义。在生物课上，学生们常常使用草履虫作为模型生物，以学习细胞过程和生物特征。通过显微镜观察草履虫可以提供对细胞生命复杂性的洞察，例如运动、进食和繁殖。此外，关于草履虫的研究还促进了我们对各种生物学概念的理解，包括遗传学、进化和生态学。 此外，草履虫是一个很好的例子，说明即使是最小的生物也能对其环境产生重大影响。当它们以细菌和其他微生物为食时，它们有助于维持生态系统的平衡。它们也是较大生物的食物来源，如鱼类和其他水生动物。因此，草履虫在栖息地中的存在是健康生态系统的指标。 总之，草履虫远不止是一种简单的单细胞生物。它独特的特征、繁殖策略和生态角色使其成为淡水生态系统的重要组成部分。通过研究草履虫，我们获得了对生命复杂性和所有生物之间相互联系的宝贵见解。随着我们继续探索微观世界，草履虫仍然是生物学奇迹和我们星球生态系统中即使是最微小生物的重要性的象征。